A DeBruijn Color Structured Light Decoding Algorithm Based on Color Transfer Technique

Bai Hongyun; Xu Hongli; Huang Hua

doi:10.3788/LOP55.011013

Journals >Laser & Optoelectronics Progress >Volume 55 >Issue 1 >Page 11013 > Article

Laser & Optoelectronics Progress
Vol. 55, Issue 1, 11013 (2018)

A DeBruijn Color Structured Light Decoding Algorithm Based on Color Transfer Technique

Bai Hongyun, Xu Hongli^*, and Huang Hua

Author Affiliations

School of Computer and Information Technology, Beijing Jiaotong University, Beijing 100044, China

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DOI: 10.3788/LOP55.011013 Cite this Article Set citation alerts

Bai Hongyun, Xu Hongli, Huang Hua. A DeBruijn Color Structured Light Decoding Algorithm Based on Color Transfer Technique[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11013 Copy Citation Text

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Fig. 1. Flow chart of DeBruijn color structured light decoding algorithm based on color transfer technique

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Fig. 2. Sub-pixel center position of structure light projection image stripe

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Fig. 3. Distribution curve of M_i

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Fig. 4. Comparison of captured structured light projection images and enhanced processing results

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Fig. 5. Extraction results of fringe centers in structured light projection images

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Fig. 6. Error center point detection

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Algorithm	Experiment object	MSE	PSNR	Feature point matchingaccuracy /%
Retinex	Rail metal	109.1	27.7565	89.1
Proposed	Rail metal	101.4	28.0718	95.3
Retinex	Color vase	107.4	27.8214	92.6
Proposed	Color vase	99.3	28.1628	96.1
Retinex	Hand	121.9	27.2709	90.3
Proposed	Hand	70.5	29.6479	96.2
Retinex	Plaster portrait	129.6	27.0034	88.9
Proposed	Plaster portrait	101.0	28.0854	94.3

Table 1. Comparison of structured light projection image enhancement

Algorithm	Experimentobject	Number of extractcenter points	Number of falseextract center points	Errorrate /%
Ref. [5]	Rail metal	21763	1914	8.8
Proposed	Rail metal	25742	1021	3.9
Ref. [5]	Color vase	11524	1311	11.3
Proposed	Color vase	16284	1024	6.3
Ref. [5]	Hand	9811	945	9.6
Proposed	Hand	15864	951	5.9
Ref. [5]	Plaster portrait	7785	668	8.5
Proposed	Plaster portrait	10294	426	4.1

Table 2. Comparison of extraction results of fringe center points

Bai Hongyun, Xu Hongli, Huang Hua. A DeBruijn Color Structured Light Decoding Algorithm Based on Color Transfer Technique[J]. Laser & Optoelectronics Progress, 2018, 55(1): 11013

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